:root{--bg:#f6f6fb;--card:#fff;--ink:#17172b;--mut:#6b6b85;--line:#e4e4ef;--acc:#6d5dfc;--acc2:#ff6ec4;--chk:#e9e9f2}
@media (prefers-color-scheme:dark){:root{--bg:#0f0f1a;--card:#191927;--ink:#f1f1fa;--mut:#9a9ab5;--line:#2b2b40;--chk:#222233}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:inherit;text-decoration:none}
.tag{color:var(--mut);font-size:13px}
.layout{display:grid;grid-template-columns:minmax(320px,440px) 1fr;gap:20px;padding:0 20px 20px;max-width:1200px;margin:0 auto}
@media(max-width:820px){.layout{grid-template-columns:1fr}.stage{order:-1}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}
h2{margin:0 0 12px;font-size:15px}
.row{display:flex;gap:12px;align-items:end;margin:10px 0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}
.grow{flex:1}
label{display:block;font-size:12px;color:var(--mut)}
input[type=text],select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font-size:15px}
input[type=color]{display:block;width:56px;height:36px;padding:2px;border:1px solid var(--line);border-radius:8px;background:var(--bg);cursor:pointer}
.slider{margin:10px 0}
.slider output{float:right;color:var(--ink);font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--acc)}
.check{display:flex;align-items:center;gap:6px;padding-bottom:8px}
.file{cursor:pointer}
.file input{display:none}
.file span{display:block;padding:9px 12px;border:1.5px dashed var(--line);border-radius:8px;color:var(--ink);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file:hover span{border-color:var(--acc)}
.seg{display:flex;background:var(--chk);border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:transparent;color:var(--mut);padding:7px 8px;border-radius:8px;font:inherit;cursor:pointer}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px #0002;font-weight:600}
.seg.small{max-width:360px;margin:0 auto}
.link{background:none;border:0;color:var(--acc);cursor:pointer;padding:0;font:inherit;font-size:13px}
.swatches{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.swatches button{width:30px;height:30px;border-radius:50%;border:2px solid var(--card);box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
.plats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.plats label{display:flex;gap:8px;align-items:flex-start;padding:9px 10px;border:1px solid var(--line);border-radius:10px;color:var(--ink);cursor:pointer;font-size:14px}
.plats small{display:block;color:var(--mut);font-size:11px}
.plats input{margin-top:3px;accent-color:var(--acc)}
.primary{width:100%;padding:12px;border:0;border-radius:10px;font:inherit;font-weight:700;color:#fff;cursor:pointer;background:linear-gradient(135deg,var(--acc),var(--acc2))}
.primary:disabled{opacity:.6;cursor:progress}
.status{min-height:1.2em;margin:8px 0 0;font-size:13px;color:var(--mut)}
.stage{position:sticky;top:10px;align-self:start}
@media(max-width:820px){.stage{position:static}}
.preview-wrap{background:repeating-conic-gradient(var(--chk) 0 25%,var(--card) 0 50%) 0 0/20px 20px;border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:12px;text-align:center}
#preview{width:100%;max-width:420px;aspect-ratio:1;touch-action:none;cursor:grab;display:block;margin:0 auto;filter:drop-shadow(0 10px 24px #0004)}
#preview:active{cursor:grabbing}
.hint{margin:12px 0 0;font-size:12px;color:var(--mut)}
.thumbs{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:16px}
.thumbs figure{margin:0;text-align:center;font-size:12px;color:var(--mut)}
.thumbs canvas{display:block;margin:0 auto 6px;max-width:100%}
.info{max-width:1200px;margin:10px auto;padding:0 20px}
.spec{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.spec details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px}
.spec summary{cursor:pointer;font-weight:600}
.spec ul{margin:8px 0 0;padding-left:18px;color:var(--mut);font-size:12px;max-height:240px;overflow:auto}
footer{padding:30px 20px;text-align:center;color:var(--mut);font-size:13px}
footer a{color:var(--acc)}
[hidden]{display:none!important}